Novel combined dry-method sand making system with multiple crushing sections

By designing a new joint system for multi-crusting sections in dry sand making equipment, and using high-speed vertical shaft crusher, rod mill and other equipment, the adjustability and rapid adjustment of the fineness modulus of dry sand is achieved, and the fineness in the existing technology is solved The problem of large amplitude of degree modulus adjustment and long waiting time.

CN222152325UActive Publication Date: 2024-12-13SHANDONG YUANYOU HEAVY IND SCI & TECH
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Patent Information

Application Number
CN202323395488.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-13
Publication Date
2024-12-13
Estimated Expiration
2033-12-13

AI Technical Summary

Technical Problem

In the existing dry sand making equipment, the single-broken section sand making process does not have the fineness modulus of the finished dry sand on the line, and the joint sand making process of multiple crushing sections has the problem of large fineness modulus adjustment and long waiting time.

Method used

A new joint dry-process sand making system for multiple crushing sections is designed, including initial crushing components, fine crushing components and finished dry sand fine screening components, and high-speed vertical shaft crusher, rod mill, probability screen and composite rocking screen and other equipment are adopted. Achieve coarse and fine screening of aggregates of different fineness moduli.

Benefits of technology

The fineness modulus of finished dry sand is adjustable, and it can produce more than ten different specifications of dry sand. It is suitable for dry mixed mortar production lines with high requirements for dry sand grading, shortening the waiting time for fineness modulus adjustment.

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Abstract

The utility model relates to the technical field of dry-method sand making equipment, in particular to a multi-crushing-section novel combined dry-method sand making system which comprises a mounting table, an initial-section crushing assembly, a fine crushing assembly and a finished dry sand fine screening assembly. The production of coarse and fine aggregates with different fineness moduli is realized through a low-speed vertical shaft crusher, a high-speed vertical shaft crusher, a rod mill and a powder concentrator in the primary crushing assembly and the fine crushing assembly, and then the coarse aggregates are screened into coarse sand, medium sand and fine sand in cooperation with a probability screen in the finished product dry sand fine screening assembly; and the fine aggregate meeting the requirements is further finely screened in cooperation with a composite swinging screen in the finished product dry sand fine screening assembly, so that screening of more than ten different specifications of finished product dry sand can be achieved, and the fineness modulus adjustability of the finished product dry sand is achieved.
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